WO2000022204A3 - Simulated diamond gemstones formed of aluminum nitride and aluminum nitride:silicon carbide alloys - Google Patents

Simulated diamond gemstones formed of aluminum nitride and aluminum nitride:silicon carbide alloys Download PDF

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Publication number
WO2000022204A3
WO2000022204A3 PCT/US1999/023486 US9923486W WO0022204A3 WO 2000022204 A3 WO2000022204 A3 WO 2000022204A3 US 9923486 W US9923486 W US 9923486W WO 0022204 A3 WO0022204 A3 WO 0022204A3
Authority
WO
WIPO (PCT)
Prior art keywords
aluminum nitride
silicon carbide
carbide alloys
diamond gemstones
simulated diamond
Prior art date
Application number
PCT/US1999/023486
Other languages
French (fr)
Other versions
WO2000022204A9 (en
WO2000022204A2 (en
Inventor
Charles Eric Hunter
Original Assignee
Cree Research Inc
Charles Eric Hunter
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cree Research Inc, Charles Eric Hunter filed Critical Cree Research Inc
Priority to AT99954798T priority Critical patent/ATE263260T1/en
Priority to CA002346308A priority patent/CA2346308C/en
Priority to JP2000576089A priority patent/JP4387061B2/en
Priority to AU11060/00A priority patent/AU1106000A/en
Priority to DE69916093T priority patent/DE69916093T2/en
Priority to EP99954798A priority patent/EP1119653B1/en
Publication of WO2000022204A2 publication Critical patent/WO2000022204A2/en
Publication of WO2000022204A3 publication Critical patent/WO2000022204A3/en
Publication of WO2000022204A9 publication Critical patent/WO2000022204A9/en

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    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B23/00—Single-crystal growth by condensing evaporated or sublimed materials
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/36—Carbides
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/38—Nitrides
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/40—AIIIBV compounds wherein A is B, Al, Ga, In or Tl and B is N, P, As, Sb or Bi
    • C30B29/403—AIII-nitrides

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Ceramic Products (AREA)
  • Adornments (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Inorganic Fibers (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Abstract

Simulated diamond gemstones are produced by faceting and polishing bulk single crystals of colorless synthetic aluminum nitride or aluminum nitride:silicon carbide alloys.
PCT/US1999/023486 1998-10-09 1999-10-08 Simulated diamond gemstones formed of aluminum nitride and aluminum nitride:silicon carbide alloys WO2000022204A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AT99954798T ATE263260T1 (en) 1998-10-09 1999-10-08 SIMULATED DIAMOND GEMSTONES MADE OF ALUMINUM NITRIDE AND ALUMINUM NITRIDE:SILICON CARBIDE ALLOY
CA002346308A CA2346308C (en) 1998-10-09 1999-10-08 Simulated diamond gemstones formed of aluminum nitride and aluminum nitride:silicon carbide alloys
JP2000576089A JP4387061B2 (en) 1998-10-09 1999-10-08 Aluminum nitride and aluminum nitride: imitation diamond semi-precious stone formed from silicon carbide alloy
AU11060/00A AU1106000A (en) 1998-10-09 1999-10-08 Simulated diamond gemstones formed of aluminum nitride and aluminum nitride:silicon carbide alloys
DE69916093T DE69916093T2 (en) 1998-10-09 1999-10-08 SIMULATED DIAMOND GEMS FROM ALUMINUM NITRIDE AND ALUMINUM NITRIDE: SILICON CARBIDE ALLOY
EP99954798A EP1119653B1 (en) 1998-10-09 1999-10-08 Simulated diamond gemstones formed of aluminum nitride and aluminum nitride:silicon carbide alloys

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/169,385 US6048813A (en) 1998-10-09 1998-10-09 Simulated diamond gemstones formed of aluminum nitride and aluminum nitride: silicon carbide alloys
US09/169,385 1998-10-09

Publications (3)

Publication Number Publication Date
WO2000022204A2 WO2000022204A2 (en) 2000-04-20
WO2000022204A3 true WO2000022204A3 (en) 2000-07-13
WO2000022204A9 WO2000022204A9 (en) 2001-04-05

Family

ID=22615452

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/023486 WO2000022204A2 (en) 1998-10-09 1999-10-08 Simulated diamond gemstones formed of aluminum nitride and aluminum nitride:silicon carbide alloys

Country Status (13)

Country Link
US (1) US6048813A (en)
EP (1) EP1119653B1 (en)
JP (1) JP4387061B2 (en)
KR (1) KR100588423B1 (en)
CN (1) CN1273655C (en)
AT (1) ATE263260T1 (en)
AU (1) AU1106000A (en)
CA (1) CA2346308C (en)
DE (1) DE69916093T2 (en)
ES (1) ES2214897T3 (en)
MY (1) MY116047A (en)
TW (1) TW518375B (en)
WO (1) WO2000022204A2 (en)

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US6906352B2 (en) 2001-01-16 2005-06-14 Cree, Inc. Group III nitride LED with undoped cladding layer and multiple quantum well
US6800876B2 (en) 2001-01-16 2004-10-05 Cree, Inc. Group III nitride LED with undoped cladding layer (5000.137)
US6706114B2 (en) * 2001-05-21 2004-03-16 Cree, Inc. Methods of fabricating silicon carbide crystals
US7211146B2 (en) * 2001-09-21 2007-05-01 Crystal Is, Inc. Powder metallurgy crucible for aluminum nitride crystal growth
US7638346B2 (en) * 2001-12-24 2009-12-29 Crystal Is, Inc. Nitride semiconductor heterostructures and related methods
US20060005763A1 (en) * 2001-12-24 2006-01-12 Crystal Is, Inc. Method and apparatus for producing large, single-crystals of aluminum nitride
US8545629B2 (en) 2001-12-24 2013-10-01 Crystal Is, Inc. Method and apparatus for producing large, single-crystals of aluminum nitride
US6770135B2 (en) * 2001-12-24 2004-08-03 Crystal Is, Inc. Method and apparatus for producing large, single-crystals of aluminum nitride
US20050166846A1 (en) * 2002-05-03 2005-08-04 Giacomo Benvenuti Large area deposition in high vacuum with high thickness uniformity
DE10335538A1 (en) * 2003-07-31 2005-02-24 Sicrystal Ag Process and apparatus for AIN single crystal production with gas permeable crucible wall
EP1518843A3 (en) * 2003-09-25 2007-05-23 Tokuyama Corporation Aluminum nitride sintered body and method of producing the same
US7087112B1 (en) * 2003-12-02 2006-08-08 Crystal Is, Inc. Nitride ceramics to mount aluminum nitride seed for sublimation growth
WO2006003955A1 (en) 2004-06-30 2006-01-12 Matsushita Electric Industrial Co., Ltd. Acousto-optical element and optical drawing device using same
US20070110657A1 (en) * 2005-11-14 2007-05-17 Hunter Charles E Unseeded silicon carbide single crystals
JP2009517329A (en) 2005-11-28 2009-04-30 クリスタル・イズ，インコーポレイテッド Low defect large aluminum nitride crystal and method for producing the same
CN101331249B (en) 2005-12-02 2012-12-19 晶体公司 Doped aluminum nitride crystals and methods of making them
EP1811064A1 (en) * 2006-01-12 2007-07-25 Vesuvius Crucible Company Crucible for treating molten silicon
KR101346501B1 (en) 2006-03-29 2013-12-31 스미토모덴키고교가부시키가이샤 Method for growing ⅲ nitride single crystal
US9034103B2 (en) * 2006-03-30 2015-05-19 Crystal Is, Inc. Aluminum nitride bulk crystals having high transparency to ultraviolet light and methods of forming them
JP5479888B2 (en) * 2006-03-30 2014-04-23 クリスタル アイエス インコーポレイテッド Method for controllably doping aluminum nitride bulk crystals
US9771666B2 (en) 2007-01-17 2017-09-26 Crystal Is, Inc. Defect reduction in seeded aluminum nitride crystal growth
WO2008088838A1 (en) 2007-01-17 2008-07-24 Crystal Is, Inc. Defect reduction in seeded aluminum nitride crystal growth
US8080833B2 (en) * 2007-01-26 2011-12-20 Crystal Is, Inc. Thick pseudomorphic nitride epitaxial layers
JP5730484B2 (en) * 2007-01-26 2015-06-10 クリスタル アイエス インコーポレイテッド Thick pseudo-lattice matched nitride epitaxial layer
US8088220B2 (en) 2007-05-24 2012-01-03 Crystal Is, Inc. Deep-eutectic melt growth of nitride crystals
KR20110040814A (en) * 2008-07-01 2011-04-20 스미토모덴키고교가부시키가이샤 Process for production of alxga(1-x)n single crystal, alxga(1-x)n single crystal, and optics
JP4547031B2 (en) * 2009-03-06 2010-09-22 新日本製鐵株式会社 Crucible for producing silicon carbide single crystal, and apparatus and method for producing silicon carbide single crystal
DE102009016132B4 (en) * 2009-04-03 2012-12-27 Sicrystal Ag A method for producing a long volume single crystal of SiC or AlN and long volume single crystal of SiC or AlN
KR101062985B1 (en) * 2009-04-22 2011-09-06 유기석 Semiconductor heat sink and its manufacturing method
US20100314551A1 (en) * 2009-06-11 2010-12-16 Bettles Timothy J In-line Fluid Treatment by UV Radiation
CN103038400B (en) 2010-06-30 2016-06-22 晶体公司 Use the growth of the bulk aluminum nitride single crystal of thermal gradient control
CN102115909A (en) * 2010-10-13 2011-07-06 浙江舒奇蒙能源科技有限公司 Single crystal furnace with three-side-wall graphite crucible
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CN105264126A (en) * 2013-04-09 2016-01-20 新日铁住金株式会社 Method for manufacturing SIC single crystal
CN105297130A (en) * 2014-06-03 2016-02-03 长春理工大学 Method and device for orientated growth of fluoride crystals by bridgman method
JP6627125B2 (en) * 2016-03-30 2020-01-08 日鉄ケミカル＆マテリアル株式会社 Method for producing spherical aluminum nitride particles and apparatus for producing spherical aluminum nitride particles
US20170321345A1 (en) * 2016-05-06 2017-11-09 Ii-Vi Incorporated Large Diameter Silicon Carbide Single Crystals and Apparatus and Method of Manufacture Thereof
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Also Published As

Publication number Publication date
CA2346308A1 (en) 2000-04-20
TW518375B (en) 2003-01-21
JP4387061B2 (en) 2009-12-16
EP1119653A2 (en) 2001-08-01
WO2000022204A9 (en) 2001-04-05
CN1273655C (en) 2006-09-06
ATE263260T1 (en) 2004-04-15
MY116047A (en) 2003-10-31
CN1329683A (en) 2002-01-02
CA2346308C (en) 2008-06-17
DE69916093D1 (en) 2004-05-06
ES2214897T3 (en) 2004-09-16
KR20010080077A (en) 2001-08-22
KR100588423B1 (en) 2006-06-09
AU1106000A (en) 2000-05-01
JP2002527343A (en) 2002-08-27
WO2000022204A2 (en) 2000-04-20
US6048813A (en) 2000-04-11
EP1119653B1 (en) 2004-03-31
DE69916093T2 (en) 2004-12-30

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